mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-19 05:58:09 +00:00
355 lines
9.4 KiB
C
355 lines
9.4 KiB
C
/*
|
|
* This file is part of the TREZOR project.
|
|
*
|
|
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <libopencm3/stm32/gpio.h>
|
|
#include <libopencm3/stm32/spi.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "oled.h"
|
|
#include "util.h"
|
|
|
|
#define OLED_SETCONTRAST 0x81
|
|
#define OLED_DISPLAYALLON_RESUME 0xA4
|
|
#define OLED_DISPLAYALLON 0xA5
|
|
#define OLED_NORMALDISPLAY 0xA6
|
|
#define OLED_INVERTDISPLAY 0xA7
|
|
#define OLED_DISPLAYOFF 0xAE
|
|
#define OLED_DISPLAYON 0xAF
|
|
#define OLED_SETDISPLAYOFFSET 0xD3
|
|
#define OLED_SETCOMPINS 0xDA
|
|
#define OLED_SETVCOMDETECT 0xDB
|
|
#define OLED_SETDISPLAYCLOCKDIV 0xD5
|
|
#define OLED_SETPRECHARGE 0xD9
|
|
#define OLED_SETMULTIPLEX 0xA8
|
|
#define OLED_SETLOWCOLUMN 0x00
|
|
#define OLED_SETHIGHCOLUMN 0x10
|
|
#define OLED_SETSTARTLINE 0x40
|
|
#define OLED_MEMORYMODE 0x20
|
|
#define OLED_COMSCANINC 0xC0
|
|
#define OLED_COMSCANDEC 0xC8
|
|
#define OLED_SEGREMAP 0xA0
|
|
#define OLED_CHARGEPUMP 0x8D
|
|
|
|
#define SPI_BASE SPI1
|
|
#define OLED_DC_PORT GPIOB
|
|
#define OLED_DC_PIN GPIO0 // PB0 | Data/Command
|
|
#define OLED_CS_PORT GPIOA
|
|
#define OLED_CS_PIN GPIO4 // PA4 | SPI Select
|
|
#define OLED_RST_PORT GPIOB
|
|
#define OLED_RST_PIN GPIO1 // PB1 | Reset display
|
|
|
|
#define OLED_BUFSET(X,Y) _oledbuffer[OLED_BUFSIZE - 1 - (X) - ((Y)/8)*OLED_WIDTH] |= (1 << (7 - (Y)%8))
|
|
#define OLED_BUFCLR(X,Y) _oledbuffer[OLED_BUFSIZE - 1 - (X) - ((Y)/8)*OLED_WIDTH] &= ~(1 << (7 - (Y)%8))
|
|
#define OLED_BUFTGL(X,Y) _oledbuffer[OLED_BUFSIZE - 1 - (X) - ((Y)/8)*OLED_WIDTH] ^= (1 << (7 - (Y)%8))
|
|
|
|
static uint8_t _oledbuffer[OLED_BUFSIZE];
|
|
static char is_debug_mode = 0;
|
|
|
|
inline void SPISend(uint32_t base, uint8_t *data, int len)
|
|
{
|
|
int i;
|
|
delay(400);
|
|
for (i = 0; i < len; i++) {
|
|
spi_send(base, data[i]);
|
|
}
|
|
delay(800);
|
|
}
|
|
|
|
void oledInit()
|
|
{
|
|
static uint8_t s[25] = {
|
|
OLED_DISPLAYOFF,
|
|
OLED_SETDISPLAYCLOCKDIV,
|
|
0x80,
|
|
OLED_SETMULTIPLEX,
|
|
0x3F, // 128x64
|
|
OLED_SETDISPLAYOFFSET,
|
|
0x00,
|
|
OLED_SETSTARTLINE | 0x00,
|
|
OLED_CHARGEPUMP,
|
|
0x14,
|
|
OLED_MEMORYMODE,
|
|
0x00,
|
|
OLED_SEGREMAP | 0x01,
|
|
OLED_COMSCANDEC,
|
|
OLED_SETCOMPINS,
|
|
0x12, // 128x64
|
|
OLED_SETCONTRAST,
|
|
0xCF,
|
|
OLED_SETPRECHARGE,
|
|
0xF1,
|
|
OLED_SETVCOMDETECT,
|
|
0x40,
|
|
OLED_DISPLAYALLON_RESUME,
|
|
OLED_NORMALDISPLAY,
|
|
OLED_DISPLAYON
|
|
};
|
|
|
|
gpio_clear(OLED_DC_PORT, OLED_DC_PIN); // set to CMD
|
|
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
|
|
|
|
// Reset the LCD
|
|
gpio_set(OLED_RST_PORT, OLED_RST_PIN);
|
|
delay(40);
|
|
gpio_clear(OLED_RST_PORT, OLED_RST_PIN);
|
|
delay(400);
|
|
gpio_set(OLED_RST_PORT, OLED_RST_PIN);
|
|
|
|
// init
|
|
gpio_clear(OLED_CS_PORT, OLED_CS_PIN); // SPI select
|
|
SPISend(SPI_BASE, s, 25);
|
|
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
|
|
|
|
oledClear();
|
|
oledRefresh();
|
|
}
|
|
|
|
void oledClear()
|
|
{
|
|
memset(_oledbuffer, 0, sizeof(_oledbuffer));
|
|
}
|
|
|
|
void oledRefresh()
|
|
{
|
|
static uint8_t s[3] = {OLED_SETLOWCOLUMN | 0x00, OLED_SETHIGHCOLUMN | 0x00, OLED_SETSTARTLINE | 0x00};
|
|
|
|
// draw triangle in upper right corner
|
|
if (is_debug_mode) {
|
|
OLED_BUFTGL(OLED_WIDTH - 5, 0); OLED_BUFTGL(OLED_WIDTH - 4, 0); OLED_BUFTGL(OLED_WIDTH - 3, 0); OLED_BUFTGL(OLED_WIDTH - 2, 0); OLED_BUFTGL(OLED_WIDTH - 1, 0);
|
|
OLED_BUFTGL(OLED_WIDTH - 4, 1); OLED_BUFTGL(OLED_WIDTH - 3, 1); OLED_BUFTGL(OLED_WIDTH - 2, 1); OLED_BUFTGL(OLED_WIDTH - 1, 1);
|
|
OLED_BUFTGL(OLED_WIDTH - 3, 2); OLED_BUFTGL(OLED_WIDTH - 2, 2); OLED_BUFTGL(OLED_WIDTH - 1, 2);
|
|
OLED_BUFTGL(OLED_WIDTH - 2, 3); OLED_BUFTGL(OLED_WIDTH - 1, 3);
|
|
OLED_BUFTGL(OLED_WIDTH - 1, 4);
|
|
}
|
|
|
|
gpio_clear(OLED_CS_PORT, OLED_CS_PIN); // SPI select
|
|
SPISend(SPI_BASE, s, 3);
|
|
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
|
|
|
|
gpio_set(OLED_DC_PORT, OLED_DC_PIN); // set to DATA
|
|
gpio_clear(OLED_CS_PORT, OLED_CS_PIN); // SPI select
|
|
SPISend(SPI_BASE, _oledbuffer, sizeof(_oledbuffer));
|
|
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
|
|
gpio_clear(OLED_DC_PORT, OLED_DC_PIN); // set to CMD
|
|
|
|
// return it back
|
|
if (is_debug_mode) {
|
|
OLED_BUFTGL(OLED_WIDTH - 5, 0); OLED_BUFTGL(OLED_WIDTH - 4, 0); OLED_BUFTGL(OLED_WIDTH - 3, 0); OLED_BUFTGL(OLED_WIDTH - 2, 0); OLED_BUFTGL(OLED_WIDTH - 1, 0);
|
|
OLED_BUFTGL(OLED_WIDTH - 4, 1); OLED_BUFTGL(OLED_WIDTH - 3, 1); OLED_BUFTGL(OLED_WIDTH - 2, 1); OLED_BUFTGL(OLED_WIDTH - 1, 1);
|
|
OLED_BUFTGL(OLED_WIDTH - 3, 2); OLED_BUFTGL(OLED_WIDTH - 2, 2); OLED_BUFTGL(OLED_WIDTH - 1, 2);
|
|
OLED_BUFTGL(OLED_WIDTH - 2, 3); OLED_BUFTGL(OLED_WIDTH - 1, 3);
|
|
OLED_BUFTGL(OLED_WIDTH - 1, 4);
|
|
}
|
|
}
|
|
|
|
const uint8_t *oledGetBuffer()
|
|
{
|
|
return _oledbuffer;
|
|
}
|
|
|
|
void oledSetDebug(char set)
|
|
{
|
|
is_debug_mode = set;
|
|
oledRefresh();
|
|
}
|
|
|
|
void oledSetBuffer(uint8_t *buf)
|
|
{
|
|
memcpy(_oledbuffer, buf, sizeof(_oledbuffer));
|
|
}
|
|
|
|
void oledDrawPixel(int x, int y)
|
|
{
|
|
if ((x < 0) || (y < 0) || (x >= OLED_WIDTH) || (y >= OLED_HEIGHT)) return;
|
|
OLED_BUFSET(x,y);
|
|
}
|
|
|
|
void oledClearPixel(int x, int y)
|
|
{
|
|
if ((x < 0) || (y < 0) || (x >= OLED_WIDTH) || (y >= OLED_HEIGHT)) return;
|
|
OLED_BUFCLR(x,y);
|
|
}
|
|
|
|
void oledDrawChar(int x, int y, char c)
|
|
{
|
|
int char_width;
|
|
const uint8_t *char_data;
|
|
|
|
if ((x >= OLED_WIDTH) || (y >= OLED_HEIGHT)) return;
|
|
|
|
char_width = fontCharWidth(c);
|
|
char_data = fontCharData(c);
|
|
|
|
int xoffset, yoffset;
|
|
for (xoffset = 0; xoffset < char_width; xoffset++) {
|
|
for (yoffset = 0; yoffset < FONT_HEIGHT; yoffset++) {
|
|
if (char_data[xoffset] & (1 << (FONT_HEIGHT - 1 - yoffset))) {
|
|
oledDrawPixel(x + xoffset, y + yoffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
char oledConvertChar(const char c) {
|
|
uint8_t a = c;
|
|
if (a < 0x80) return c;
|
|
// UTF-8 handling: https://en.wikipedia.org/wiki/UTF-8#Description
|
|
// bytes 11xxxxxx are first byte of UTF-8 characters
|
|
// bytes 10xxxxxx are successive UTF-8 characters
|
|
if (a >= 0xC0) return '_';
|
|
return 0;
|
|
}
|
|
|
|
int oledStringWidth(const char *text) {
|
|
if (!text) return 0;
|
|
int l = 0;
|
|
char c;
|
|
for (; *text; text++) {
|
|
c = oledConvertChar(*text);
|
|
if (c) {
|
|
l += fontCharWidth(c) + 1;
|
|
}
|
|
}
|
|
return l;
|
|
}
|
|
|
|
void oledDrawString(int x, int y, const char* text)
|
|
{
|
|
if (!text) return;
|
|
int l = 0;
|
|
char c;
|
|
for (; *text; text++) {
|
|
c = oledConvertChar(*text);
|
|
if (c) {
|
|
oledDrawChar(x + l, y, c);
|
|
l += fontCharWidth(c) + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void oledDrawStringCenter(int y, const char* text)
|
|
{
|
|
int x = ( OLED_WIDTH - oledStringWidth(text) ) / 2;
|
|
oledDrawString(x, y, text);
|
|
}
|
|
|
|
void oledDrawStringRight(int x, int y, const char* text)
|
|
{
|
|
x -= oledStringWidth(text);
|
|
oledDrawString(x, y, text);
|
|
}
|
|
|
|
#define min(X,Y) ((X) < (Y) ? (X) : (Y))
|
|
|
|
void oledDrawBitmap(int x, int y, const BITMAP *bmp)
|
|
{
|
|
int i, j;
|
|
for (i = 0; i < min(bmp->width, OLED_WIDTH - x); i++) {
|
|
for (j = 0; j < min(bmp->height, OLED_HEIGHT - y); j++) {
|
|
if (bmp->data[(i / 8) + j * bmp->width / 8] & (1 << (7 - i % 8))) {
|
|
OLED_BUFSET(x + i, y + j);
|
|
} else {
|
|
OLED_BUFCLR(x + i, y + j);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void oledInvert(int x1, int y1, int x2, int y2)
|
|
{
|
|
if ((x1 >= OLED_WIDTH) || (y1 >= OLED_HEIGHT) || (x2 >= OLED_WIDTH) || (y2 >= OLED_HEIGHT)) return;
|
|
int x, y;
|
|
for (x = x1; x <= x2; x++) {
|
|
for (y = y1; y <= y2; y++) {
|
|
OLED_BUFTGL(x,y);
|
|
}
|
|
}
|
|
}
|
|
|
|
void oledBox(int x1, int y1, int x2, int y2, char val)
|
|
{
|
|
int x, y;
|
|
for (x = x1; x <= x2; x++) {
|
|
for (y = y1; y <= y2; y++) {
|
|
val ? oledDrawPixel(x, y) : oledClearPixel(x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
void oledHLine(int y) {
|
|
int x;
|
|
for (x = 0; x < OLED_WIDTH; x++) {
|
|
oledDrawPixel(x, y);
|
|
}
|
|
}
|
|
|
|
void oledFrame(int x1, int y1, int x2, int y2)
|
|
{
|
|
int x, y;
|
|
for (x = x1; x <= x2; x++) {
|
|
oledDrawPixel(x, y1);
|
|
oledDrawPixel(x, y2);
|
|
}
|
|
for (y = y1 + 1; y < y2; y++) {
|
|
oledDrawPixel(x1, y);
|
|
oledDrawPixel(x2, y);
|
|
}
|
|
}
|
|
|
|
void oledSwipeLeft(void)
|
|
{
|
|
int i, j, k;
|
|
for (i = 0; i < OLED_WIDTH / 4; i++) {
|
|
for (j = 0; j < OLED_HEIGHT / 8; j++) {
|
|
for (k = OLED_WIDTH / 4 - 1; k > 0; k--) {
|
|
_oledbuffer[k * 4 + 3 + j * OLED_WIDTH] = _oledbuffer[k * 4 - 1 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 2 + j * OLED_WIDTH] = _oledbuffer[k * 4 - 2 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 1 + j * OLED_WIDTH] = _oledbuffer[k * 4 - 3 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 0 + j * OLED_WIDTH] = _oledbuffer[k * 4 - 4 + j * OLED_WIDTH];
|
|
}
|
|
_oledbuffer[j * OLED_WIDTH] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + 1] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + 2] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + 3] = 0;
|
|
}
|
|
oledRefresh();
|
|
}
|
|
}
|
|
|
|
void oledSwipeRight(void)
|
|
{
|
|
int i, j, k;
|
|
for (i = 0; i < OLED_WIDTH / 4; i++) {
|
|
for (j = 0; j < OLED_HEIGHT / 8; j++) {
|
|
for (k = 0; k < OLED_WIDTH / 4 - 1; k++) {
|
|
_oledbuffer[k * 4 + 0 + j * OLED_WIDTH] = _oledbuffer[k * 4 + 4 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 1 + j * OLED_WIDTH] = _oledbuffer[k * 4 + 5 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 2 + j * OLED_WIDTH] = _oledbuffer[k * 4 + 6 + j * OLED_WIDTH];
|
|
_oledbuffer[k * 4 + 3 + j * OLED_WIDTH] = _oledbuffer[k * 4 + 7 + j * OLED_WIDTH];
|
|
}
|
|
_oledbuffer[j * OLED_WIDTH + OLED_WIDTH - 1] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + OLED_WIDTH - 2] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + OLED_WIDTH - 3] = 0;
|
|
_oledbuffer[j * OLED_WIDTH + OLED_WIDTH - 4] = 0;
|
|
}
|
|
oledRefresh();
|
|
}
|
|
}
|